a reddish-brown chloride of heme; produced from hemoglobin in laboratory tests for the presence of blood
source: WordNet 3.0
A substance, in the form of reddish brown, microscopic, prismatic crystals, formed from dried blood by the action of strong acetic acid and common salt; -- called also Teichmann's crystals. Chemically, it is a hydrochloride of hematin.
